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Setting the time

Pull the crown to position 

B

 . The stop-seconds 

arresting lever is automatically activated when 
the crown is pulled to ensure precision time 
adjustment. 

You  may  now  s e t  t he  t ime  b y  w ind ing  in 
either  direc t ion  w ithout  r isk  of  damaging  
the movement. 
Recommendation : make sure to set the time 
pre c is e ly  b y  c are f ul ly  mov ing  t he  hand s  
forward to the time desired.

Winding the watch

Your  watch  is  fitted  with  a  mechanical  hand- 
wound movement.

We  recommend  that  you  wind  the  watch  fully 
every two days or at least once every three days  
at regular intervals. 

The  crown  features  a  disconnecting-gear  system 
to prevent damage to the barrel mechanism caused 
by over-winding (the crown turns freely).

Power reserve

When the watch has been wound to a maximum, 
the  hand  which  shows  the  power  reserve  will  be  
at  the  outside  of  the  indicator.  The  watch  has  a 
power reserve of at least 72 hours at this point.

Once the needle reaches the red area, the watch 
has  a  power  reserve  of  around  12  hours.  At  this 
point,  we  recommend  that  you  wind  the  watch 
fully to ensure optimal timekeeping.

4. Basic functions

Eng

lis

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Summary of Contents for 2908

Page 1: ...Instructions for use Mode d emploi Jules Audemars Watch with AP escapement Calibre 2908 Hand wound ...

Page 2: ...1 4 3 2 A B ...

Page 3: ...English ...

Page 4: ...atch p 40 New Audemars Piguet escapement Dual balance spring High frequency and precision 3 Watch description p 48 Views of the movement Technical data of the movement Case technical data Watch indications and functions 4 Basic functions p 52 Setting the time Winding the watch Power reserve If your watch stops 5 Additional comments p 57 ...

Page 5: ...ettled there to seek other sources of income With their high degree of manual dexterity inexhaustible creativity and enormous determination the inhabitants of the valley known as Combiers were naturally drawn to watchmaking Due to their high quality the movements they produced acquired great popularity with the Geneva firms which used them to create complete watches From 1740 onwards watchmaking d...

Page 6: ...nitiative were the watchwords while the Wall Street crash in 1929 was a bitter blow the company directors were soon designing so called skeleton watches before embarking on chronograph production But this new momentum was abruptly interrupted by the Second World War Re organisation was necessary in the aftermath of the conflict The factory focused on creating top of the range items in keeping with...

Page 7: ...ach out from the plate in a bid to stamp its unique authority on the watch Everything is contained in a large case made of 950 platinum twinned with a sapphire crystal back to further reveal the impressive mechanism Waterproof to 20 metres the new Jules Audemars watch with AP escapement comes with a crocodile leather strap and folding clasp also made of 950 platinum The new hand wound design with ...

Page 8: ...onal stability New Audemars Piguet escapement The new Audemars Piguet escapement system takes its inspiration from the mechanism proposed by Robin This direct impulse escapement has a large number of advantages including full shock resistance Its innovative design and outstanding performance render this patented system a minor revolution in watchmaking mechanics It heralds the new genera tion of A...

Page 9: ...e build up after oil evaporation Direct impulse on balance Dia 2a and 2b energy is transmitted directly from the escape ment to the balance without passing through a pallet fork which limits energy losses by improving efficiency Excellent shock resistance the meticulous shape of the various components especially the guard pin and their ultraprecise cut out provide maximum security against tripping...

Page 10: ...ubted advantages The system of dual opposing flat balance springs has many advantages no more balance spring end curves pio neered by Breguet and Phillips which require painstaking construction and thus the end to defects caused by the slight asymmetric balance spring development automatic compensation for any balance spring balancing defects thus improving accuracy prevents errors caused by the w...

Page 11: ...asting 43 200 vph 6 Hz and marks a major milestone in the AP watchmakers long standing quest for improved accuracy The increase in balance oscillation with its variable inertia system significantly enhances timekeeping making the watch more resistant to impact and other fac tors that can affect balance The two parallel barrels provide a power reserve of at least a 72 hours amply offsetting the ext...

Page 12: ... lines Frequency 43 200 vibrations hour 6 Hz Number of jewels 33 Power reserve at least a 72 hours Manual winding Audemars Piguet lubrication free escapement Variable inertia balance Flat dual balance springs Stop seconds function Number of parts 274 Case technical data Diameter 46 mm Total height 12 64 mm Case water resistance 20 m 2 bars Case in 950 platinum Sapphire crystal caseback ...

Page 13: ...tions and functions see figure on the inside cover 1 Hour hand 2 Minute hand 3 Small second hand 4 Power reserve indicator hand Your watch is fitted with a two position crown A Crown in manual winding position B Crown in time setting position 51 ...

Page 14: ...vement We recommend that you wind the watch fully every two days or at least once every three days at regular intervals The crown features a disconnecting gear system to prevent damage to the barrel mechanism caused by over winding the crown turns freely Power reserve When the watch has been wound to a maximum the hand which shows the power reserve will be at the outside of the indicator The watch...

Page 15: ...impulse pin and pallet fork remain fixed in this position Fig 1 No impulse is being sent to the balance Turning the case a few times to turn the balance is enough to reactivate it Fig 3 This means that the escapement wheel sends the necessary impulse to the balance Fig 2 Winding the watch until the end stop crown in position A ensure that the watch functions correctly during approximately 70 hours...

Page 16: ...56 57English 5 Additional comments Guarantee and care All details concerning the guarantee and instructions on caring for your watch are provided in the enclosed certificate of origin and guarantee ...

Page 17: ......

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